LuaScraper

LuaScraper is a lightweight command-line tool built with Lua for downloading the contents of a web page (HTTP or HTTPS) and saving it to a file.

Features

• Supports both HTTP and HTTPS URLs
• Saves the response body to a specified output file and filepath
• Command-line usage, no browser needed
• Provides error messages for invalid input or network issues

Used Libraries

• Lua (tested with Lua 5.1+)
• LuaSocket
• LuaSec (for HTTPS support)

Installation

1. Download the LuaScraper.lua from source code
2. Download the LuaSocket and LuaSec:

luarocks install luasocket

luarocks install luasec

Usage

lua LuaScraper.lua <output_file> <url>

• <output_file>: The file where the downloaded content will be saved. (you can add a specific filepath)
• <url>: The URL to fetch (must start with http:// or https://).

Example:

lua LuaScraper.lua example.html https://example.com

Error Handling

• If the URL is invalid or the protocol is not supported, an error message will be shown.
• If the HTTP request fails, the status code will be displayed.
• If the output file cannot be written, an error message will be shown.

License

MIT License

© 2025 Emsalettin1. Contributions welcome.